Why the study?
Does 4D flow MRI reveal differences in right atrial flow patterns and caval vein arrangement between healthy subjects and patients with cryptogenic stroke and PFO?
Population
26 adults, comprising 13 healthy subjects and 13 subjects with cryptogenic stroke and patent foramen ovale.
Comparison
Time-resolved, three-dimensional velocity… vs Healthy subjects compared to subjects with…
Design
Case-control
Authors
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Atypical right atrial flow may associate with PFO and cryptogenic stroke; leaves open causal contribution to embolism.
Does 4D flow MRI reveal differences in right atrial flow patterns and caval vein arrangement between healthy subjects and patients with cryptogenic stroke and PFO?
4D flow MRI demonstrates that right atrial flow patterns are heterogeneous and that non-vortical patterns and greater caval vein separation are more prevalent in patients with cryptogenic stroke and PFO.
Parikh et al. (2017) studied this question.
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